Home / 131,321,857.20-196,982,785.80-101,088,769.20

Finding the Fourth Proportional to 131,321,857.20, 196,982,785.80 and 101,088,769.20

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Solution

The fourth proportional to 131,321,857.20, 196,982,785.80 and 101,088,769.20 is: 151,633,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,321,857.20 : 196,982,785.80 = 101,088,769.20 : x
  2. Step 2: Convert to fraction form
    131,321,857.20/196,982,785.80 = 101,088,769.20/x
  3. Step 3: Cross multiply
    131,321,857.20x = 196,982,785.80 × 101,088,769.20
  4. Step 4: Simplify right side
    131,321,857.20x = 19,912,747,370,109,240
  5. Step 5: Solve for x
    x = 19,912,747,370,109,240/131,321,857.20
  6. Step 6: Final answer
    x = 151,633,153.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.